Comparison

4D Motion vs S2M Companion

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

4D Motion

Learn, analyze, and train human motion for sports, conditioning, and physical therapy. Features interactive 3D tutorials, swing analysis by comparing your recordings to pro models, and motion capture for detailed performance training and rehabilitation.

Highlights
  • Interactive 3D golf tutorials
  • Compare your motion to pro models
  • Record and overlay your video with 3D models
  • 3D motion capture for analysis
  • Performance training and physical therapy tools
  • Analyze golf, baseball, and conditioning movements
Features
Read full description

4D Motion is the ultimate 3D platform for learning, analyzing and training human motion for sports, conditioning and physical therapy. *New for Golf* · An interactive golf tutorial featuring pro swings in 3D. You can see their swings from any angle, zoom in and out and see exactly what they are doing without the limitations of 2D video. Included are tips highlighting key positions or movements for each step of the swing. · Compare your movement to a pro’s. Record a video of your swing right from your phone and overlay a pro’s 3D model on top of your video from address to finish. This revolutionary technology will instantly highlight the changes you need to make to improve your swing, Use 4D Motion sensors to capture yourself or your students in 3D to train like a professional. Use 4D Motion sensors to measure and analyze/compare movements in 3D for physical therapy, rehabilitation and performance training. For golf, baseball, performance training, and physical therapy, 4D Motion is the most sophisticated, yet simple and affordable platform to analyze, learn, and train human motion. Download this free app and try it risk-free.

About

S2M Companion

Features
Read full description

S2M Companion puts your performance data in your hands. Your Smart2Move coach uses the world’s most advanced portable Dual force plate system to capture your movement. Now, for the first time, you can access that data directly on your iPhone anytime, anywhere. Review your captures Every session your coach shares is waiting for you in the app. Visualize your Ground Reaction Force curves, track your progress over time, and understand what makes your movement unique. Get personalized drills Your coach doesn’t just measure they prescribe. Based on your force data, receive targeted drills built specifically for your body and your sport. No generic advice. Just what you need. Share your progress Proud of your session? Share your performance visuals directly to social media and show your network what data-driven training looks like. Built for athletes coached by Smart2Move S2M Companion works exclusively with coaches and academies using the Smart2Move force plate ecosystem. If your coach uses S2M, this app is your window into your own performance. Free to download. Free to use. No subscription. No credit card. Create your account in 4 clicks and access your first capture in minutes. S2M Companion is part of the Smart2Move ecosystem  the global reference in Ground Reaction Force measurement for sports performance.

Screenshots

4D Motion4 screens
S2M Companion3 screens

Verdict

The call

The clearest difference is in-app purchases: S2M Companion at none against 4D Motion's 6. S2M Companion also leads on update cadence (every 11 days vs monthly). 4D Motion's advantage is device support (4 vs 1) and iOS requirement (14.0 vs 18.0). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 4D Motion sells 6 one-off in-app purchases. S2M Companion asks for nothing beyond the download.

UpkeepUpdate frequency

4D Motion ships an update monthly, S2M Companion every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
4D Motion versus S2M Companion: the parameters behind the verdict, then further details
Parameter4D MotionS2M Companion
PriceFreeFree
Rating3.8 (27 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings27 — better—
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS14.0 — better18.0
Further details — not scored
Size420 MB93 MB
Age rating12+4+
DeveloperSsam Sports, Inc.Smart2Move AG

In-app purchases

6 purchases

4D Motion

One-time6
  • Unlock 3D video comparison$0.99
  • 10 swing pack$2.99
  • Unlock more swings$4.99
Show 3 more
  • 30 swing pack$6.99
  • 80 swing pack$15.99
  • 750 swing pack$99.99
None

S2M Companion

No in-app purchases

Questions

Is 4D Motion free?
4D Motion is free to download, with in-app purchases available.
Is S2M Companion free?
S2M Companion is free to download, with no in-app purchases.
Do 4D Motion or S2M Companion have ads?
Neither 4D Motion nor S2M Companion shows ads.
Which is updated more often, 4D Motion or S2M Companion?
4D Motion ships an update monthly, and S2M Companion every 11 days. Most recently, 4D Motion was updated on October 24, 2026 and S2M Companion on October 25, 2026.

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